<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate()
	{
		$record=Users::model()->findbyAttributes(array('username'=>$this->username));
		if($record===null){
				$this->errorCode=self::ERROR_USERNAME_INVALID;
			}
		else if($record->password!==crypt($this->password, 'salt')){
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
		}
		else{
				$this->_id=$record->id;
				$role=Roles::model()->findbyPk($record->roles_id);
				$this->setState('role', $role->description);
				$this->errorCode=self::ERROR_NONE;				
			}
		
		return !$this->errorCode;
		/*$users=array(
			// username => password
			'demo'=>'demo',
			'admin'=>'admin',
		);
		if(!isset($users[$this->username]))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		elseif($users[$this->username]!==$this->password)
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else
			$this->errorCode=self::ERROR_NONE;
		return !$this->errorCode;*/
	}
	
	public function getId(){
			return $this->_id;
		}
}